| A. Columella percurrent; capillitium from a disk at the apex | 1. Enerthenema | |
| B. Columella scarce reaching the centre of the sporangium. | ||
| a. Capillitium not forming a net | 2. Clastoderma | |
| b. Capillitium forming an intricate net | 3. Lamproderma | |
| c. Minute, capillitium rudimentary | 4. Echinostelium | |
1. Enerthenema Bowman
- 1828. Enerthenema Bowman, Trans. Linn. Soc., XVI., p. 152.
Sporangia stipitate, the stipe extended as a columella, which entirely traverses the sporangium and forms at the apex an expanded disk; from this depends the capillitium.
Key to the Species of Enerthenema
| A. Spores free | 1. E. papillatum |
| B. Spores in clusters | 2. E. berkeleyanum |
1. Enerthenema papillatum (Pers.) Rost.
[Plate V.], Fig. 3.
- 1801. Stemonitis papillata Pers., Syn., p. 188.
- 1828. Enerthenema elegans Bowm., Trans. Linn. Soc., XVI., p. 152.
- 1862. Comatricha obtusata Preuss, Sturm, Deutschl. Flora, Pl. LXX.
- 1876. Enerthenema papillatum (Pers.) Rost., Mon. App., p. 28.